N,K=map(int,input().split())

if K==N-1 or K==1:
    X=[]
elif K==2:
    if N%2==1:
        X=[]
    else:
        X=[]
        for i in range(1,N):
            if i%2==1:
                X.append((i,i+1,2))
            else:
                X.append((i,i+1,-3))
else:
    X=[]
    for i in range(1,K):
        X.append((i,i+1,-1))

    for i in range(K+1,N+1):
        X.append((i,K-1,K-2))

if X:
    print("Yes")
    for u,v,w in X:
        print(u,v,w)
else:
    print("No")